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Atomic Structure of Dysprosium and Americium


Atomic Structure of Americium and Dysprosium


Atomic Properties

Atomic Number
66   
99+
95   
23

Electron Configuration
[Xe] 4f9 6s2   
[Rn] 5f7 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Double Hexagonal Close Packed (DHCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
DHCP-Crystal-Structure-of-Americium.jpg#100   

Atom
  
  

Number of Protons
66   
99+
95   
23

Number of Neutrons
96   
35
148   
12

Number of Electrons
66   
99+
95   
23

Radius of an Atom
  
  

Atomic Radius
178.00 pm   
16
173.00 pm   
21

Covalent Radius
192.00 pm   
17
180.00 pm   
21

Van der Waals Radius
229.00 pm   
20
244.00 pm   
10

Atomic Weight
162.50 amu   
99+
243.00 amu   
20

Atomic Volume
19.00 cm3/mol   
23
17.86 cm3/mol   
29

Adjacent Atomic Numbers
  
  

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Terbium
  
Plutonium
  

Next Element
Holmium
  
Curium
  

Valence Electron Potential
47.40 (-eV)   
32
44.00 (-eV)   
40

Lattice Constant
359.30 pm   
37
346.81 pm   
99+

Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   

Lattice C/A Ratio
1.57   
15
Not Available   

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